.box {
    width: 100vw;
    height: 100vh;
    nav {
        height: 35px;
        background-color: #f5f5f5;
        display: flex;
        justify-content: space-between;
        div {
            width: 50%;
            display: flex;
            align-items: center;
            position: relative;
            .bao {
                width: 100px;
                height: 60px;
                background-color: #f5f5f5;
                position: absolute;
                top: 30px;
                right: 375px;
                display: flex;
                flex-direction: column;
                justify-content: space-around;
                font-size: 12px;
                color: #6C6C6C;
                opacity: 0;
            }
            p:hover {
                color: #f40;
            }
            P {
                margin-left: 10px;
                font-size: 12px;
                color: #6C6C6C;
                display: flex;
                align-items: center;
                .iconfont {
                    font-size: 14px;
                    color: #f40;
                    margin-right: 5px;
                }
            }
        }
    }
    header {
        box-sizing: border-box;
        padding: 20px 0;
        img {
            width: 203px;
            height: 55px;
        }
    }
    main {
        height: 500px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        .oinput {
            height: 180px;
            width: 400px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            button {
                width: 320px;
                height: 36px;
                background-color: #ff5000;
                border: none;
                border-radius: 5px;
                color: #ffff;
                margin-left: 66px;
            }
            div {
                display: flex;
                justify-content: space-around;
                align-items: center;
                font-size: 14px;
                color: #111;
                input {
                    width: 320px;
                    height: 36px;
                    border-color: #cecece 1px;
                    outline: none;
                }
            }
        }
        .but {
            display: flex;
            margin-top: 50px;
            width: 400px;
            font-size: 14px;
            input {
                margin-top: 5px;
            }
        }
    }
    .bottom {
        display: flex;
        flex-direction: column;
        ul {
            height: 50px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
            color: #6c6c6ca6;
            border-top: solid #6c6c6ca9 1px;
            border-bottom: solid #6c6c6c97 1px;
            li:hover {
                color: #f40;
            }
        }
        p {
            height: 40px;
            display: flex;
            align-items: center;
            font-size: 14px;
            color: #6c6c6ca6;
            span {
                margin-right: 15px;
            }
            span:hover {
                color: #f40;
            }
        }
    }
}

#hove:hover {
    color: #111;
}